Atmospheric gas-burner



(No Model.)

H. J. BELL.

ATMOSPHERIG GAS BURNER.

No. 396.256. Patented Jan. 15, 1889.

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UNITED STATES PATENT OFFICE.

HAROLD J. BELL, OF GLOUCESTER, NE\V JERSEY, ASSIGNORIFO THE VELS- BACHINCANDESCENT GAS LIGHT COMPANY, OF NEIV JERSEY.

ATMOSPHERIC GAS-BURNER.

SPECIFICATION forming part of Letters Patent No. 396,256, dated January15, 1889.

Application filed May 10,1888. Serial No. 273,457. (NomodeL) To all whomit may concern.- of gas-exits, 10, opening into an annular Be it knownthat I, HAROLD J. BELL, a citiflame-passage, 11, the construction ofthese zen of the United States, residing at Gloucesparts being similarto that shown in an appliter, in the county of Camden and State of Newcation, Serial No. 266,505, filedby me March 8,

Jersey, have invented new and useful 1111- 1888. If desired, theburner-tip and upperpart provements in Atmospheric Gas-Burners, of ofthe tube 6 may be surrounded ata suitable which the following is aspecification. distance by a deep annular deflector, 12,

This invention relates to atmospheric gaswhich forms, with theouter wallof the burnerburners for incandescentillumination; and it tip, anannular chamber to receive and con- 10 consists in the construction andcombination ceal the lower ragged edge or skirt of a Vela of parts, ashereinafter set forth. bach mantle. This deflector is attached to Theinvention is illustrated in the annexed the burner-tube 6, and maysupport a chimdrawin'gs, in which ney-gallery, as described and shown inan ap- Figure 1 is a vertical section of a burner, plication filed by meMay 10, 1888, Serial No.

15 atmospheric gas-tube, and vertically-adjust 273,456. able shield,Showing the shield and burncr- In order to regulate the draft andincrease tube as partially closing the lateral air-inlets or diminishthe quantity of air admitted of the atmospheric gas-tube. Fig. 2 is anthrough the lateral air-inlets 2, as may be reelevation of theatmospheric gas-tube and quired, it is only necessary to rotate thebell- 2o vertically-adjustable shield, the burner being shaped shield 5,thereby raising or lowering 7ov detached. said shield, together with theburner-tube 6 The atmospheric gastube 1 is provided and attached parts.By lowering the shield with the usual lateral air-inlets, 2, and be- 5the lower end of the burner-tube 6 will be neath these air-openings itmay have a horimade to partially or wholly cover the air-in- 2 5 zontalfinely-perforated disk or diaphragm, 3, lets 2,,according to the amountof movement to divide the supply of gas into fine curgiven to saidshield and tube; and 1am thus rents, whereby an intimate mixture of gasenabled to dispense witha neck on the shield, and air can be produced inthe tube. The as employed in the construction illustrated lower end ofthe tube 1, beneath the perfoin an application filed by me May 10, 1888,

0 rated disk 3, is internally threaded to engage Serial No. 273,455. Bydispensing with a a gas-fixture neck on the shield 5 and employing thelower As shown, the base of the atmospheric gasend of the movableburner-tube 0 to control tube 1, beneath the air-inlets 2, is externallythe air-inlets, the length of the tubes can be screw-threaded, to engagea spiral ring, 4, that shortened considerably. V

35 is supported concentrically within a bell- When the shield 5 andburner-tube 6 are shaped shield, 5, which by rotation in the raised topartially orwholly uncover the lateral proper direction is thus madevertically-adair-inlets 2, the depending portion of the shield justable, upward or downward, as required, on surrounding saidair-inletsat a distance therethe gas-tube. from will still serve tobreak the force of 40 The vertically-adjustable shield 5 serves 'toexternal air-currents and maintain a steady 9o prevent the disturbinginfluences of external draft. IVhen the shield 5 is loweredsuffiair-currents, and also affords an adjustable ciently to permit theburner-tube 6to descend support for the burner-tube (3, the lower endfar enough to wholly close the air-inlets 2, acof which serves to closethe air-inlets 2 more cess of air will of course be entirely out off.

45 or less when the shield 5 is lowered. lVith this simple construction,therefore, the

The burner-tube 6 may be of any suitable quantity of air admitted to theburner can construction. As shown, it is provided at the be readilycontrolled at will. top with a gas and air mixing chamber, 7,in- I wouldhave it understood that I do not closing a gauze diaphragm, 8, abovewhich is herein claim the particular form of burnertip 5 o seated aburner-tip, 9, having a circular series shown and described, as such isclaimed in an 0a 2. The combination of an atmospheric gastube havinglateral air-inlets and an externally screw-threaded base, avertically-adjustable bell-shaped shield having an internal spiral ringto engage the said externallyscrew-threaded base, and avertically-adjustable burner-tube supported on the shield and movabletherewith, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

HAROLD J. BELL.

Vi tnesses:

ROBERT S. CLYMER, G. R. TAGGART.

